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‎.github/workflows/ci.yml‎

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name: CI
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on: [ push ]
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jobs:
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check:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Helm
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uses: azure/setup-helm@v4
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id: install
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with:
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version: "latest"
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- name: Lint Helm
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id: lint
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run: helm lint .

‎.github/workflows/release.yml‎

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name: Release
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on:
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release:
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types: [ published ]
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env:
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CHART_NAME: "grafana-pdc-agent"
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OCI_URL: "oci://ghcr.io/smartsquaregmbh/helm"
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VERSION: ${{ github.event.release.tag_name }}
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permissions:
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packages: write
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jobs:
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publish:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Helm
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uses: azure/setup-helm@v4
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id: install
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with:
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version: "latest"
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- name: Registry-Login Helm
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run: |
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helm registry login $REGISTRY -u $USERNAME -p $PASSWORD
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env:
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REGISTRY: ghcr.io
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USERNAME: ${{ github.actor }}
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PASSWORD: ${{ secrets.GITHUB_TOKEN }}
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- name: Package Helm
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id: package
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run: |
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helm package . --version $VERSION
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echo "package=${CHART_NAME}-${VERSION}.tgz" >> "$GITHUB_OUTPUT"
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- name: Push Helm
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id: push
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run: |
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helm push $PACKAGE $OCI_URL
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env:
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PACKAGE: ${{ steps.package.outputs.package }}

‎.helmignore‎

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.helmignore
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.git
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.github

‎Chart.yaml‎

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apiVersion: v2
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name: grafana-pdc-agent
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description: Grafana Private Datasource Connect Agent
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type: application
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version: 0.1.0
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appVersion: "0.0.31"

‎LICENSE‎

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MIT License
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Copyright (c) 2024 Leon Brandt
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md‎

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# Grafana pdc-agent Helm
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A Helm chart for Grafana's [pdc-agent](https://github.com/grafana/pdc-agent).
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If you know what your doing just start using this chart from our OCI-registry:
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### `oci://ghcr.io/smartsquaregmbh/helm/grafana-pdc-agent`
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# Usage
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This chart is stored in a OCI-based registry. Please either use Helm v3.8.0+ or consult the [Helm documentation](https://helm.sh/docs/topics/registries) for how to use OCI-registries in older versions.
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Helm currently does not support adding OCI-registries as Helm-repositories. So use this chart like this:
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```
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$ helm install <release> oci://ghcr.io/smartsquaregmbh/helm/grafana-pdc-agent --version 0.1.0 -f path/to/values.yaml
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```
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Minimal required values.yaml (for all possible values see [values.yaml](./values.yaml)):
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```yaml
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secret:
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values:
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token: "<YOUR-GRAFANA-TOKEN>"
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hostedgrafanaid: "<YOUR-HOSTED-GRAFANA-ID>"
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cluster: "<YOUR-GRAFANA-CLUSTER>"
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```
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# Chart compability
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This chart is confirmed to work with grafana-pdc-versions `v0.0.30` and `v0.0.31` but every version prior should work too.
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‎templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: grafana-pdc-agent
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labels:
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{{- $deploymentLabels := dict "app" "grafana-pdc-agent" "name" "grafana-pdc-agent" }}
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{{- if .Values.agent }}
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{{- $deploymentLabels := .Values.agent | dig "deployment" "extraLabels" dict | merge $deploymentLabels }}
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{{- end }}
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{{- $deploymentLabels | toYaml | nindent 4 }}
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spec:
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{{- if .Values.agent }}
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replicas: {{ .Values.agent | dig "replicaCount" 1 }}
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{{- else }}
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replicas: 1
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{{- end }}
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selector:
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matchLabels:
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name: grafana-pdc-agent
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxSurge: 1
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maxUnavailable: 0
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template:
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metadata:
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labels:
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{{- $podLabels := dict "name" "grafana-pdc-agent" }}
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{{- if .Values.agent }}
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{{- $podLabels := .Values.agent | dig "pod" "extraLabels" dict | merge $podLabels }}
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{{- end }}
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{{- $podLabels | toYaml | nindent 8 }}
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spec:
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containers:
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- name: grafana-pdc-agent
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env:
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- name: TOKEN
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valueFrom:
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secretKeyRef:
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key: token
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name: {{ .Values.secret.name | default "grafana-pdc-agent" }}
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- name: CLUSTER
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valueFrom:
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secretKeyRef:
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key: cluster
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name: {{ .Values.secret.name | default "grafana-pdc-agent" }}
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- name: HOSTED_GRAFANA_ID
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valueFrom:
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secretKeyRef:
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key: hosted-grafana-id
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name: {{ .Values.secret.name | default "grafana-pdc-agent" }}
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args:
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- -cluster
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- $(CLUSTER)
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- -token
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- $(TOKEN)
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- -gcloud-hosted-grafana-id
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- "$(HOSTED_GRAFANA_ID)"
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{{- if .Values.agent }}
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image: "grafana/pdc-agent:{{ .Values.agent | dig "image" "tag" .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.agent | dig "image" "pullPolicy" "Always" }}
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{{- else}}
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image: "grafana/pdc-agent:{{ .Chart.AppVersion }}"
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imagePullPolicy: Always
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{{- end}}
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{{- with .Values.agent }}
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{{- with .resources }}
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resources:
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{{- toYaml . | nindent 12 }}
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{{- end }}
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{{- end }}
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securityContext:
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allowPrivilegeEscalation: false
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privileged: false
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runAsNonRoot: true
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capabilities:
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drop:
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- all
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securityContext:
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runAsUser: 30000
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runAsGroup: 30000
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fsGroup: 30000
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{{- with .Values.agent }}
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{{- with .nodeSelector}}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- with .Values.agent }}
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{{- with .affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}
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{{- with .Values.agent }}
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{{- with .tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- end }}

‎templates/secret.yaml‎

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apiVersion: v1
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kind: Secret
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metadata:
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name: {{ .Values.secret.name | default "grafana-pdc-agent" }}
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type: Opaque
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data:
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"token": {{ .Values.secret.values.token | required "secret-value missing: token" }}
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"hosted-grafana-id": {{ .Values.secret.values.hostedgrafanaid | required "secret-value missing: hostedgrafanaid" }}
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"cluster": {{ .Values.secret.values.cluster | required "secret-value missing: cluster" }}

‎values.yaml‎

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# The minimal values-file looks like this - everything else can be omitted:
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#
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# secret:
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# values:
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# token: "<YOUR-GRAFANA-TOKEN>"
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# hostedgrafanaid: "<YOUR-HOSTED-GRAFANA-ID>"
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# cluster: "<YOUR-GRAFANA-CLUSTER>"
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agent:
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replicaCount: 1
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image:
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pullPolicy: Always
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tag: ""
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resources:
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limits:
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memory: 1Gi
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requests:
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cpu: 1
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memory: 1Gi
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nodeSelector: {}
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tolerations: []
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affinity: {}
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deployment:
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extraLabels: {}
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pod:
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extraLabels: {}
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secret:
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name: ""
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values:
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token: "CHANGEME"
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hostedgrafanaid: "CHANGEME"
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cluster: "CHANGEME"

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